Pinus的例句大全

The successive 7 year observation on seed setting habit for Pinus massoniana seed stand was carried out, results show: ( 1) Flowering period ranged from 10 to 15 days, but the flowering period of male and female strobilus are overlapped;

通过对马尾松母树林7a的观测资料分析表明：（1）马尾松花期为10～15d，雌雄球花的散粉期与受粉期大致同步；

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Essential oil content of provitamin concentrate from pine needles ( Pinus massoniana Lamb.) was about 15%.

松针维生素原浓缩物中的精油（90℃～130℃馏份）其量约为维生素原浓缩物的15%。

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Effect of Target Tree Stand Management on Natural Regeneration of Pinus tabulaeformis Plantations on Loess Plateau Area

目标树林分作业对黄土高原油松人工林天然更新的影响

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Ultrastructural study on development of needle resin ducts in Pinus elliottii engel.

湿地松针叶树脂道发育的超微结构研究。

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From April to October of 2001, a mixed stand of Pinus tabulaeformis and Quercus variabilis which was 31 years old was observed to study rainfall and its redistribution through test plot in western mountain area of Beijing.

2001年4&10月，通过林内标准地观测，对北京西山地区1块31年生的油松栓皮栎混交林的降雨及其再分配过程进行观测研究。

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Pinus koraiensis is a kind of temperate zone needle broad-leaf mixed forest, it has a great economic and ecological value.

红松林是一种温带针阔叶混交林，它具有非常大的经济价值和生态价值。

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The tensile strength, modulus of elasticity ( MOE) and hardness of Pinus massoniana fibers were determined by using zero-span tension and nanoindentation technique.

研究了人工林马尾松的纤维零距抗张强度、细胞壁的纵向弹性模量和硬度等力学指标。

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Meanwhile, all the optimum and potential distributing regions of Larix gmelinii, Spruce fir forest and Pinus koraiensis have the tendency of moving northwards.

同时，分布于大兴安岭的兴安落叶松、小兴安岭及东部山地的云冷杉和红松等树种的可能分布范围和最适分布范围均发生了北移。

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After degreasing, gas dry density coefficient variation of Pinus Massoniana veneer decreased, but air dry density value almost had no change; Thickness swelling rate and water absorption rate were bigger; MOE decimated, MOR changed rarely.

脱脂处理后，马尾松单板气干密度变异系数减小，但气干密度几乎没有变化；吸水厚度膨胀率和吸水率较大；弹性模量剧减，静曲强度变化不大。

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Furthermore, this biologically consistent character, together with the characteristic pollen morphology, is quite different from those of other groups in gymnosperms such as Cycas and Pinus.

这些表明，花粉管的内部特征决定了银杏雄配子体侧向萌发的典型特征。这一稳定的生物学特性，加上银杏花粉的特殊形态特征，与苏铁属、松属等有明显的区别。

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Energy and Material Analysis on Pinus koraiensis and Fraxinus mandshurica in Changbai Mountains

长白山红松、水曲柳的能量与物质分析

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Correlation analysis also demonstrated that the annual ring widths of Larix gmelinii were sensitive to the temperature at the beginning of the growing season, but the ring widths of Pinus sylvestris var. mongolica did not have any significant climatic response.

落叶松的年轮宽度对生长季节开始前的温度敏感，而樟子松的轮宽对气候变量没有很好的响应。

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The phenophase of blossoming and bear fruit of Pinus Koraiensis in Weihe district was observed from 1986 to 2005, the results showed the regularity of blossoming and bear bruit and the optimum temperature in phenological periods of blossoming and bear fruit.

对苇河林区1986年~2005年红松开花结实物候期进行观测，找出红松开花结实的变化规律，指出红松开花结实各物候期的最适温度。

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Analysis of Correlation between Forest Combustible and Planned Burn Fire Behavior in Pinus yunnanensis Forest

云南松林内可燃物与计划烧除火行为的相关分析

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Genetic Analysis on Combining Ability of Growth, Stem Form and Wood Basic Density of Pinus massoniana by testcross mating design

基于马尾松测交系子代的生长、干形和木材密度GAC/SCA分析

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Gorals seldom feed on Pinus koraiensis, Picea jezoensis, Abies nephralepis ( 1 %, 0.7 % and 1.7 % , respectively ).

斑羚在冬季食红松 、 云杉 、 冷杉较少 ( 1% 、 0.7%、1.7% ).

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Species diversity of wild edible mushrooms from Pinus yunnanensis forests and conservation strategies

云南松林野生食用菌物种多样性及保护对策

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Monitoring Pests of Pinus Massoniana by Using M99-1 Attractant

应用M99-1引诱剂监测马尾松病虫害的研究

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The Pinus sylvestris var. mongolica experiences for 26 months from the flowered anlage producing to the mature of cone, during the period the influence of climatic factors is very big.

樟子松从花原基产生到球果成熟需经历26个月的漫长时间，期间受气候因子影响较大。

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Analysis on the variation of female-male flowers and strobilus production of clonal seed orchard of Pinus tabulaeformis carr.

油松无性系种子园雌雄球花量及球果量变异分析。

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